Compute the payback period for an investment with the following net cash flows. $($Round your answer to one decimal place.$)$

$\backslash$table$[[,\backslash$table$[[$Net Cash Flows$],[$per Year$]],\backslash$table$[[$Cumulative Net$],[$Yeash Flows$]]],[$Initial investment,$$(104,000),$$$(104,000)$